26 Jun 2014
An increasing number of sewage treatment plants in the U.S. and Europe are processing food waste in anaerobic biodigesters, keeping more garbage out of landfills, reducing methane emissions, and producing energy to defray their operating costs.
24 Jun 2014
The 20th-century re-engineering of the Mississippi River wreaked havoc on natural systems and devastated once-abundant populations of native river shrimp. Biologist Paul Hartfield has focused his work on studying these creatures, which were known for making one of the world’s great migrations.
22 Apr 2014
A recent study shows that a surprisingly large amount of the seafood sold in U.S. markets is caught illegally. In a series of actions over the last few months, governments and international regulators have started taking aim at stopping this illicit trade in contraband fish.
17 Apr 2014
In its latest report, the UN's Intergovernmental Panel on Climate Change makes a strong case for a sharp increase in low-carbon energy production, especially solar and wind, and provides hope that this transformation can occur in time to hold off the worst impacts of global warming.
10 Apr 2014
As global population soars, efforts to boost food production will inevitably be focused on the world’s tropical regions. Can this agricultural transformation be achieved without destroying the remaining tropical forests of Africa, South America, and Asia?
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